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Discover the NEW Lufft WS100 Precipitation Sensor

Fast, safe & absolutely maintenance-free precipitation measurement, thanks to innovative radar technology!


NEW! Hydrolab HL7

Continuous Water Quality Data, Reliability and Usability You Can Trust


Hydromet Cloud

an evolved yet secure web-based data hosting solution


OTT Pluvio² S

The new benchmark in precipitation measurement - the new weighing precipitation gauge OTT Pluvio² S

Learn more about the OTT Pluvio² S


Our popular pressure level and temperature sensor, now with an added conductivity cell!

Learn more about the OTT PLS-C

Hydrolab HL4

Next generation multiparameter sonde

Learn more

OTT ecoLog Series

In-well groundwater monitoring solutions with remote data transmission

Learn more about the OTT ecoLog 500/800

OTT MF pro

Electromagnetic current meter with color handheld display

Learn more about OTT MF pro

Welcome Kipp & Zonen to the OTT Hydromet Group!

Kipp & Zonen, a leading manufacturer of solar radiation and atmospheric measurement instruments, recently joined the OTT Hydromet group of companies. The combination of Kipp & Zonen, Lufft, Sutron, and OTT sensors ensures comprehensive and advanced meteorological solutions for our customers!

Press Release

OTT tide and weather monitoring network helps manage ferries

tide and weather monitoring equipment

OTT has installed a network of tide and weather monitoring stations on the islands off the west coast of Scotland. This monitoring equipment provides live data on port conditions to enable ferry sailing decisions to be made in a timely manner.

Read case study

See the latest technology in hydrology, water quality and meteorology...

OTT regularly participates in specialist Conferences and Exhibitions - please contact us to see if we are coming to an event that you plan to attend.

For example, we recently presented at the SWIG 'Sensing in Water' Conference 2017